A few even bounced straight back at the observer, which Rutherford said was as unexpected as firing a cannon shell at tissue paper and having it come back and hit you.
甚至极少数发生大角度的散射，卢瑟福后来回忆说：“这是我一生中从未有的最难以置信的事，它好比你对一张纸发射出一发炮弹，结果被反弹回来而打到自己身上。”
In this paper, a multi-grade image recognition plan is proposed for inner-surface rifling images of a cannon and an arithmetic method for rifling recognition is also designed.
提出了一种线膛炮内膛表面图像识别的分层次识别方案，并研究了膛线识别的算法。
In this paper, by analysing a practical spares support model of cannon spares support sys-tem, a practical optimum algorithm-the marginal analysis is presented.
本文通过对一种较实用的火炮备件保障系统保障度模型进行分析，提出了一种比较实用的最优化求解算法——边际分析法。
The paper researches methods of decreasing in the recoil of automatic cannon of high speed.
本文研究了高射频自动机减小后坐力的方法。
To enlarge the profit of casting, the paper explores the melting character, operation and structure of the cannon stove for big scale waste steel to give information to someone doing casting work.
基于扩大铸造利润空间的目的，探讨大比例废钢冲天炉的熔化特点、操作及其结构问题，供有关铸造工作者参考。
The main contents of the paper includes: the design and realization of cannon firepower control system;
论文主要完成了高炮火控系统的设计与实现；
The main contents of the paper includes: the design and realization of cannon firepower control system;
论文主要完成了高炮火控系统的设计与实现；
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